private void ApplyRendererButton_Click(object sender, EventArgs e)
{
// Create the correct type of StretchParameters with the corresponding user inputs.
StretchParameters stretchParameters = null;
// See which type is selected and apply the corresponding input parameters to create the renderer.
switch (_parameterInputTypeSpinner.SelectedItem.ToString())
{
case "Min Max":
// Read the minimum and maximum values for the red, green, and blue bands.
double minRed = Convert.ToDouble(_minRedSpinner.SelectedItem);
double minGreen = Convert.ToDouble(_minGreenSpinner.SelectedItem);
double minBlue = Convert.ToDouble(_minBlueSpinner.SelectedItem);
double maxRed = Convert.ToDouble(_maxRedSpinner.SelectedItem);
double maxGreen = Convert.ToDouble(_maxGreenSpinner.SelectedItem);
double maxBlue = Convert.ToDouble(_maxBlueSpinner.SelectedItem);
// Create an array of the minimum and maximum values.
double[] minValues = { minRed, minGreen, minBlue };
double[] maxValues = { maxRed, maxGreen, maxBlue };
// Create a new MinMaxStretchParameters with the values.
stretchParameters = new MinMaxStretchParameters(minValues, maxValues);
break;
case "Percent Clip":
// Get the percentile cutoff below which values in the raster dataset are to be clipped.
double minimumPercent = Convert.ToDouble(_minPercentClipSlider.Progress);
// Get the percentile cutoff above which pixel values in the raster dataset are to be clipped.
double maximumPercent = Convert.ToDouble(_maxPercentClipSlider.Progress);
// Create a new PercentClipStretchParameters with the inputs.
stretchParameters = new PercentClipStretchParameters(minimumPercent, maximumPercent);
break;
case "Standard Deviation":
// Read the standard deviation factor (the number of standard deviations used to define the range of pixel values).
double standardDeviationFactor = Convert.ToDouble(_stdDeviationFactorSpinner.SelectedItem);
// Create a new StandardDeviationStretchParameters with the selected number of standard deviations.
stretchParameters = new StandardDeviationStretchParameters(standardDeviationFactor);
break;
}
// Create an array to specify the raster bands (red, green, blue).
int[] bands = { 0, 1, 2 };
// Create the RgbRenderer with the stretch parameters created above, then apply it to the raster layer.
RgbRenderer rasterRenderer = new RgbRenderer(stretchParameters, bands, null, true);
_rasterLayer.Renderer = rasterRenderer;
}
private void UpdateRenderer(object sender, StretchParametersEventArgs e)
{
// Create an array to specify the raster bands (red, green, blue).
int[] bands = { 0, 1, 2 };
// Create the RgbRenderer with the stretch parameters passed in, then apply it to the raster layer.
RgbRenderer rasterRenderer = new RgbRenderer(e.StretchParams, bands, null, true);
_rasterLayer.Renderer = rasterRenderer;
// Remove the parameter input UI.
_updateRendererUI.Hide();
_updateRendererUI = null;
}
private void ApplyRgbRendererButton_Click(object sender, System.Windows.RoutedEventArgs e)
{
// Create the correct type of StretchParameters with the corresponding user inputs.
StretchParameters stretchParameters = null;
// See which type is selected and apply the corresponding input parameters to create the renderer.
switch (StretchTypeComboBox.SelectedValue.ToString())
{
case "Min Max":
// Read the minimum and maximum values for the red, green, and blue bands.
double minRed = Convert.ToDouble(MinRedComboBox.SelectedValue);
double minGreen = Convert.ToDouble(MinGreenComboBox.SelectedValue);
double minBlue = Convert.ToDouble(MinBlueComboBox.SelectedValue);
double maxRed = Convert.ToDouble(MaxRedComboBox.SelectedValue);
double maxGreen = Convert.ToDouble(MaxGreenComboBox.SelectedValue);
double maxBlue = Convert.ToDouble(MaxBlueComboBox.SelectedValue);
// Create an array of the minimum and maximum values.
double[] minValues = { minRed, minGreen, minBlue };
double[] maxValues = { maxRed, maxGreen, maxBlue };
// Create a new MinMaxStretchParameters with the values.
stretchParameters = new MinMaxStretchParameters(minValues, maxValues);
break;
case "Percent Clip":
// Get the percentile cutoff below which values in the raster dataset are to be clipped.
double minimumPercent = MinimumValueSlider.SelectedIndex;
// Get the percentile cutoff above which pixel values in the raster dataset are to be clipped.
double maximumPercent = MaximumValueSlider.SelectedIndex;
// Create a new PercentClipStretchParameters with the inputs.
stretchParameters = new PercentClipStretchParameters(minimumPercent, maximumPercent);
break;
case "Standard Deviation":
// Read the standard deviation factor (the number of standard deviations used to define the range of pixel values).
double standardDeviationFactor = Convert.ToDouble(StdDeviationFactorComboBox.SelectedValue);
// Create a new StandardDeviationStretchParameters with the selected number of standard deviations.
stretchParameters = new StandardDeviationStretchParameters(standardDeviationFactor);
break;
}
// Create an array to specify the raster bands (red, green, blue).
int[] bands = { 0, 1, 2 };
// Create the RgbRenderer with the stretch parameters created above, then apply it to the raster layer.
RgbRenderer rgbRenderer;
StretchRenderer stretchRenderer;
if (stretchItem.IsEnabled == false)
{
rgbRenderer = new RgbRenderer(stretchParameters, bands, null, true);
_rasterLayer.Renderer = rgbRenderer;
}
else if (stretchItem.IsEnabled == true)
{
PresetColorRampType pcrt;
int colorType = Convert.ToInt32(ColorRampCsy.SelectedIndex - 1);
switch (colorType)
{
case -1:
pcrt = PresetColorRampType.Elevation;
break;
case 0:
pcrt = PresetColorRampType.Elevation;
break;
case 1:
pcrt = PresetColorRampType.DemScreen;
break;
case 2:
pcrt = PresetColorRampType.DemScreen;
break;
default:
pcrt = PresetColorRampType.DemScreen;
break;
}
uint colorSize = Convert.ToUInt32(ColorRampSizeCsy.SelectedValue);
stretchRenderer = new StretchRenderer(stretchParameters, null, true, ColorRamp.Create(pcrt, colorSize));
_rasterLayer.Renderer = stretchRenderer;
}
}
